225133205 has 12 divisors (see below), whose sum is σ = 296953356. Its totient is φ = 163732800.

The previous prime is 225133171. The next prime is 225133229. The reversal of 225133205 is 502331522.

225133205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 114083761 + 111049444 = 10681^2 + 10538^2 .

It is not a de Polignac number, because 225133205 - 2²⁰ = 224084629 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185456 + ... + 186665.

It is an arithmetic number, because the mean of its divisors is an integer number (24746113).

Almost surely, 2^225133205 is an apocalyptic number.

It is an amenable number.

225133205 is a deficient number, since it is larger than the sum of its proper divisors (71820151).

225133205 is a wasteful number, since it uses less digits than its factorization.

225133205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372148 (or 372137 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 225133205 is about 15004.4395096918. The cubic root of 225133205 is about 608.3402025037.

Adding to 225133205 its reverse (502331522), we get a palindrome (727464727).

The spelling of 225133205 in words is "two hundred twenty-five million, one hundred thirty-three thousand, two hundred five".